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Research Paper
Forced Expression of RDH10 Gene Retards Growth of HepG2 Cells
Elena Rossi, Paolo Picozzi, Beatrice Bodega, Cristiana Lavazza, Carmelo Carlo-Stella, Anna Marozzi and Enrico Ginelli
volume 6 | issue 2
February 2007Pages: 238 - 245
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The constitutive over-expression of the retinol dehydrogenase 10 (RDH10) gene, involved in retinoic acid (RA) biosynthesis, produced in HepG2 cells a significant antiproliferative response, but not signs of apoptosis. An indirect assay based on the Chloramphenicol AcetylTransferase (CAT) reporter gene driven by a retinoic acid responsive elements (RARE) suggests in genetically modified HepG2 cells an increase of the endogenous RA concentration. Furthermore, the growth arrest of HepG2 cells over-expressing the RDH10 gene was associated with the up-regulation and down-regulation of, respectively, RARβ/p21Cip1 and CycE/CdK2 mRNAs. These results indicated that forced expression of RDH10 produces antiproliferative effects highly comparable to those achieved by retinoids treatment and thus the development of a gene therapy, finalized at the restoration of the enzymatic and receptorial machinery of the RA pathway, could be a possible curative strategy for hepatocellular carcinoma (HCC).
We now provide open access to journal articles published online for one year or more. This article may be downloaded at the following link:
Download PDFIf the document does not open, please right-click on the link (control-click on a Macintosh) and select the option to save the file to disk.